2540446432 has 48 divisors (see below), whose sum is σ = 5059454400. Its totient is φ = 1255564800.

The previous prime is 2540446423. The next prime is 2540446481. The reversal of 2540446432 is 2346440452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2444569 + ... + 2445607.

It is an arithmetic number, because the mean of its divisors is an integer number (105405300).

Almost surely, 2^2540446432 is an apocalyptic number.

It is an amenable number.

2540446432 is a deficient number, since it is larger than the sum of its proper divisors (2519007968).

2540446432 is a wasteful number, since it uses less digits than its factorization.

2540446432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859 (or 1851 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

The square root of 2540446432 is about 50402.8415072008. The cubic root of 2540446432 is about 1364.4889215410.

Adding to 2540446432 its reverse (2346440452), we get a palindrome (4886886884).

The spelling of 2540446432 in words is "two billion, five hundred forty million, four hundred forty-six thousand, four hundred thirty-two".